jADJUSTING
SCREWS
/ SWITCH ROLLER
I
0.04 MINIMUM
~l--
0.08
MAXIMUM
Figure 6-33. Retracted Solenoid Plunger and Lock-Arm Clearance
ADJUSTING
SCREWS
SWITCH
ADAPTER CASTING
Figure 6-34. Adapter Casting and Lock-Arm Clearance
6.16.2.4
Snap Action Switch Test and Adjustment
(1)
Remove power from the disk drive.
(2)
Remove
P109
from the Logic PCBA.
(3)
With a suitable
continuity
indicating device,
monitor
the switch closure between
pins
1 and 2 in the connector.
(4)
Install adapter bowl setup tool, PERTEC Part No. 103619-01,
onto
the spindle
cone.
See
Figure 6-35.
(5)
Manually depress the solenoid plunger and rotate the lock arm
to
the locked
position over the NO-GO position marked
on
the tool.
See
Figure 6-36. There
should
be
no switch closure observed between pins 1 and
2.
(6)
Retract the lock arm and move the tool
to
the
GO
position.
(7)
Manually depress the solenoid plunger and rotate the lock arm to the locked
position over the
GO
portion
of
the tool. Contact closure should
be
observed
between pins 1 and
2.
6-73
8300
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